Hi Basil,
I am not sure if you have figured out how to localize an Agentry application yet.
If you are still looking for the information, please take look at the link below. It provides detail information on how to Localize Agentry Applications.
Localizing Agentry Applications - Administrator - SAP Library at:
http://help.sap.com/saphelp_smp303svr/helpdata/en/7c/303faa7006101491b0d155c7a356da/content.htm
Regards,
Chung Yu
SAP Senior Support Engineer